Checkered Garter Snake

Checkered Garter Snake

Thamnophis marcianus

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
0–10% · With luck
overall probability at Big Bend National Park

📅 Monthly Probability

<5
Jan
<5
Feb
0–10
Mar
0–10
Apr
0–10
May
10–20
Jun
10–20
Jul
10–20
Aug
20–30
Sep
<5
Oct
0–10
Nov
<5
Dec

☀️🌙 When They're Spotted

Active throughout day and night · across all parks (global)

☀️🌙Day & Night
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Big Bend National Park 🇺🇸 United States
0–10%
2 Cumbres de Monterrey National Park 🇲🇽 Mexico
0–10%
3 Lago de Yojoa 🇭🇳 Honduras
Insufficient data

Quick answers

What are the chances of seeing a Checkered Garter Snake in Big Bend National Park?

About 9% of visitor-days record a Checkered Garter Snake sighting in Big Bend National Park, based on 14 observer-days of citizen-science data from GBIF.

When is the best time to see Checkered Garter Snake in Big Bend National Park?

September has the highest sighting rate for Checkered Garter Snake in Big Bend National Park in our monthly data.

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